In addition, each program was introduced in a way that gives the story about what the program does and what you can use the program to do after studying it. Topics covered begin with how to set DzSoft Perl Editor so you can easily work with Perl programs. Then, through dozens of complete programs, this book explores the category of primary data Perl: scalars, hashes, arrays, and handles. Topics subsequent chapters range from using references to working with data structures and merge data files into your program.